AT70219B - Electric light bulb with tungsten filament. - Google Patents

Electric light bulb with tungsten filament.

Info

Publication number
AT70219B
AT70219B AT70219DA AT70219B AT 70219 B AT70219 B AT 70219B AT 70219D A AT70219D A AT 70219DA AT 70219 B AT70219 B AT 70219B
Authority
AT
Austria
Prior art keywords
tungsten filament
light bulb
electric light
chlorine
tungsten
Prior art date
Application number
Other languages
German (de)
Original Assignee
Johann Kremenezky Fa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johann Kremenezky Fa filed Critical Johann Kremenezky Fa
Application granted granted Critical
Publication of AT70219B publication Critical patent/AT70219B/en

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  • Discharge Lamp (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Elektrische Glühlampe mit Wolframfaden. 
 EMI1.1 
   0#8   bis 0'9 W/NK. schwärzen sich die Glocken sehr rasch infolge der wesentlichen höheren Temperatur. 



   Nach vorliegendem Verfahren wird, um diesem Übelstand zu begegnen, beim Evakuieren der Lampe eine kleine Menge Chlor-, Jod- oder Bromwasserstoff in dieselbe eingeführt. Die eingeführte Menge richtet sich nach der Lampentypc. In der   Kühe   des Fadens, jedoch, nicht notwendigerweise am Faden selbst, findet eine Dissoziation des Jod, Brom- bzw. Chlorwasserstoffes statt. 



   Ein Teil des freigewordenen Jods, Broms oder Chlors gelangt bis an die Glaswand, um mit dem Beschlag   Wolframchlorid   oder Bromid zu bilden.   Diese vernuchtigcn sich   und gelangen an den Faden, wo sie durch den freigewordnen Wasserstoff unter Bildung 
 EMI1.2 
 wand niedergeschlagene Wolfram wieder zum   Faden zurücktransportiot nnd   an diesem niedergeschlagen wird, so dass der   Faden theoretisch nie durchbrcnnen und auch keine   fortschreitende   Schwär/ung eintreten   kann. Die Lampe hat somit eine sehr lange, von der Belastung unabhängige Lebensdauer. 
 EMI1.3 
 Fluor, Chlor oder Chlor abgebende Substanzen in die   Lampe einbringt.

   Dadurch bitdet   sich dauerud eine Atmosphäure von Fluor oder Chlor, die sich mit dem an der Glaswand 
 EMI1.4 
 das Wolfram soll sieh am Faden niederschlagen, wahrend Chlor frei wird und nun auf das niedergeschlagene Wolfram unter neuerlicher Bildung von   Wolframhexachlorid   reagiert. 



  Es sei   hier bemerkt, dass die Reaktion   in dieser Weise nicht verläuft, da das Hexachlorid wohl in niedrigeres Chlorid und Chlor, nicht aber in Chlor und Wolfram zerfällt. 



   Endlich ist vorgeschlagen worden, in Kohlenfadenlampen Chlorwasserstoff einzuführen, 
 EMI1.5 
 Wirkung des Chlorwasserstoffes auf den Kohlenfaden tritt hiebei nicht ein. Bei   keinem   der angeführten Verfahren kann der vorstehend   beschriebene Kreisprozess   sich ausbilden 
 EMI1.6 
 werden. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Electric light bulb with tungsten filament.
 EMI1.1
   0 # 8 to 0'9 W / NK. the bells blacken very quickly as a result of the considerably higher temperature.



   According to the present method, in order to counter this problem, a small amount of chlorine, iodine or hydrogen bromide is introduced into the lamp when it is evacuated. The amount imported depends on the type of lamp. In the cows of the thread, but not necessarily on the thread itself, there is a dissociation of iodine, bromine or hydrogen chloride.



   A part of the released iodine, bromine or chlorine reaches the glass wall to form tungsten chloride or bromide with the fogging. These are dissipated and reach the thread, where they are formed by the hydrogen released
 EMI1.2
 The deposited tungsten was transported back to the thread and is deposited on it, so that theoretically the thread can never break through and no progressive swelling can occur. The lamp thus has a very long service life that is independent of the load.
 EMI1.3
 Introduces fluorine, chlorine or chlorine-releasing substances into the lamp.

   This creates a permanent atmosphere of fluorine or chlorine, which mixes with that on the glass wall
 EMI1.4
 the tungsten should precipitate on the thread, while chlorine is released and now reacts to the precipitated tungsten with renewed formation of tungsten hexachloride.



  It should be noted here that the reaction does not proceed in this way, since the hexachloride decomposes into lower chloride and chlorine, but not into chlorine and tungsten.



   Finally it has been proposed to introduce hydrogen chloride into carbon filament lamps,
 EMI1.5
 There is no effect of the hydrogen chloride on the carbon filament. The cycle process described above cannot develop in any of the processes listed
 EMI1.6
 will.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

PATENT-ANSPRUCH ; Elektrische Glühlampe mit Wolframfaden, dadurch gekennzeichnet, dass in der Birne eine geringe Menge Chlor-, Jod-oder Bromwasserstoff enthalten ist. **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM; Electric incandescent lamp with tungsten filament, characterized in that the bulb contains a small amount of chlorine, iodine or hydrogen bromide. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT70219D 1913-09-25 1913-09-25 Electric light bulb with tungsten filament. AT70219B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT70219T 1913-09-25

Publications (1)

Publication Number Publication Date
AT70219B true AT70219B (en) 1915-10-11

Family

ID=3592013

Family Applications (1)

Application Number Title Priority Date Filing Date
AT70219D AT70219B (en) 1913-09-25 1913-09-25 Electric light bulb with tungsten filament.

Country Status (1)

Country Link
AT (1) AT70219B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1255809B (en) * 1957-08-13 1967-12-07 Duro Test Corp Incandescent lamp with gas filling in an evacuated vessel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1255809B (en) * 1957-08-13 1967-12-07 Duro Test Corp Incandescent lamp with gas filling in an evacuated vessel

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